.logo {
  float: left;
  position: relative;
  width: 55px;
  height: 55px;
  margin-top: 22px;
  background-color: #ff6700;
  overflow: hidden;

  .logo-lk {
    display: block;
    position: absolute;
    top: 0;
    left: -55px;
    width: 110px;
    height: 55px;
    transition: left 0.3s;

    &::before,
    &::after {
      content: "";
      position: absolute;
      top: 0;
      display: block;
      width: 55px;
      height: 55px;
    }

    &::before {
      left: 0;
      background: url(images/logo_2.png) center center;
    }

    &::after {
      left: 55px;
      background: url(images/logo_1.png) center center;
    }

    &:hover {
      left: 0;
    }
  }
}
